Credit: NASA/JPL-Caltech/L. Jenkins (GSFC)

Dwarfs in Coma Cluster

This false-color mosaic of the central region of the Coma cluster combines infrared and visible-light images to reveal thousands of faint objects (green). Follow-up observations showed that many of these objects, which appear here as faint green smudges, are dwarf galaxies belonging to the cluster. Two large elliptical galaxies, NGC 4889 and NGC 4874, dominate the cluster's center. The mosaic combines visible-light data from the Sloan Digital Sky Survey (color coded blue) with long- and short-wavelength infrared views (red and green, respectively) from NASA's Spitzer Space Telescope.

About the Object	Object Name: Coma Cluster Object Type: Galaxy Cluster Position (J2000): RA: 12 59 48.70 Dec: +27 58 50.0 Distance: 320 million light-years Constellation: Coma Berenices
About the Data	Image Credit: NASA/JPL-Caltech/L. Jenkins (GSFC) Instrument: Infrared Array Camera (IRAC) Exposure Date: 2004-07-04 and 2005-06-13 Exposure Time: 12960s and 10368s Release Date: 2007-05-28
Observers	G. Fazio (Harvard-Smithsonian Astrophysical Observatory) L. Jenkins (Goddard Space Flight Center) A. Hornschemeier (Goddard Space Flight Center) B. Mobasher (Space Telescope Science Institute) D. Alexander (University of Durham, UK) F. Bauer (Columbia University)

Individual Images

Full-resolution image without overlays. Screen-Resolution (450x391): JPEG High-Resolution (4097x3557): JPEG | Mac TIFF | PC TIFF Credit: NASA/JPL-Caltech/L. Jenkins (GSFC)

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